Ключевые слова: abstract, accuracy, aluminum, apparatus, blue, business, circle, clockwork, cogs, cogwheel, collaboration, concept, conceptual, connecting, development, device, drive, energy, engine, exactness, family, gear, group, industry, manufacture, mechanics, mechanism, metal, motion, move, office, precision, quality, square, symbol, system, team, teamwork, technology, tooth, toothed, transmission, turn, wheel, wirtschaft, work,